Multiple choice

What is NOT one of the purposes for which CO2 and Er:YAG lasers are traditionally used

  1. improving sun-damaged skin

  2. Hair removal

  3. reducing the appearance of acne scars

  4. improving moderate or mild rhytids

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

CO2 and Er:YAG lasers are ablative lasers used for resurfacing and scar reduction. They are not used for hair removal, which requires different wavelengths and targets.